172427220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{487}}^1$

素因数の和:790

約数の個数: 144

約数和(自身を含む): 601106688

約数和(自身を除く): 428679468

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 281, 315, 420, 487, 562, 630, 843, 974, 1124, 1260, 1405, 1461, 1686, 1948, 1967, 2435, 2529, 2810, 2922, 3372, 3409, 3934, 4215, 4383, 4870, 5058, 5620, 5844, 5901, 6818, 7305, 7868, 8430, 8766, 9740, 9835, 10116, 10227, 11802, 12645, 13636, 14610, 16860, 17045, 17532, 17703, 19670, 20454, 21915, 23604, 25290, 29220, 29505, 30681, 34090, 35406, 39340, 40908, 43830, 50580, 51135, 59010, 61362, 68180, 70812, 87660, 88515, 102270, 118020, 122724, 136847, 153405, 177030, 204540, 273694, 306810, 354060, 410541, 547388, 613620, 684235, 821082, 957929, 1231623, 1368470, 1642164, 1915858, 2052705, 2463246, 2736940, 2873787, 3831716, 4105410, 4789645, 4926492, 5747574, 6158115, 8210820, 8621361, 9579290, 11495148, 12316230, 14368935, 17242722, 19158580, 24632460, 28737870, 34485444, 43106805, 57475740, 86213610, 172427220]

約数ペア:

[(1, 172427220), (2, 86213610), (3, 57475740), (4, 43106805), (5, 34485444), (6, 28737870), (7, 24632460), (9, 19158580), (10, 17242722), (12, 14368935), (14, 12316230), (15, 11495148), (18, 9579290), (20, 8621361), (21, 8210820), (28, 6158115), (30, 5747574), (35, 4926492), (36, 4789645), (42, 4105410), (45, 3831716), (60, 2873787), (63, 2736940), (70, 2463246), (84, 2052705), (90, 1915858), (105, 1642164), (126, 1368470), (140, 1231623), (180, 957929), (210, 821082), (252, 684235), (281, 613620), (315, 547388), (420, 410541), (487, 354060), (562, 306810), (630, 273694), (843, 204540), (974, 177030), (1124, 153405), (1260, 136847), (1405, 122724), (1461, 118020), (1686, 102270), (1948, 88515), (1967, 87660), (2435, 70812), (2529, 68180), (2810, 61362), (2922, 59010), (3372, 51135), (3409, 50580), (3934, 43830), (4215, 40908), (4383, 39340), (4870, 35406), (5058, 34090), (5620, 30681), (5844, 29505), (5901, 29220), (6818, 25290), (7305, 23604), (7868, 21915), (8430, 20454), (8766, 19670), (9740, 17703), (9835, 17532), (10116, 17045), (10227, 16860), (11802, 14610), (12645, 13636)]